2 * linux/arch/m32r/kernel/io_m32104ut.c
4 * Typical I/O routines for M32104UT board.
6 * Copyright (c) 2001-2005 Hiroyuki Kondo, Hirokazu Takata,
7 * Hitoshi Yamamoto, Mamoru Sakugawa,
8 * Naoto Sugai, Hayato Fujiwara
14 #include <asm/byteorder.h>
16 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
17 #include <linux/types.h>
19 #define M32R_PCC_IOMAP_SIZE 0x1000
21 #define M32R_PCC_IOSTART0 0x1000
22 #define M32R_PCC_IOEND0 (M32R_PCC_IOSTART0 + M32R_PCC_IOMAP_SIZE - 1)
24 extern void pcc_ioread_byte(int, unsigned long, void *, size_t, size_t, int);
25 extern void pcc_ioread_word(int, unsigned long, void *, size_t, size_t, int);
26 extern void pcc_iowrite_byte(int, unsigned long, void *, size_t, size_t, int);
27 extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int);
28 #endif /* CONFIG_PCMCIA && CONFIG_M32R_CFC */
30 #define PORT2ADDR(port) _port2addr(port)
32 static inline void *_port2addr(unsigned long port)
34 return (void *)(port | NONCACHE_OFFSET);
37 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
38 static inline void *__port2addr_ata(unsigned long port)
43 case 0x1f0: return (void *)(0x0c002000 | NONCACHE_OFFSET);
44 case 0x1f1: return (void *)(0x0c012800 | NONCACHE_OFFSET);
45 case 0x1f2: return (void *)(0x0c012002 | NONCACHE_OFFSET);
46 case 0x1f3: return (void *)(0x0c012802 | NONCACHE_OFFSET);
47 case 0x1f4: return (void *)(0x0c012004 | NONCACHE_OFFSET);
48 case 0x1f5: return (void *)(0x0c012804 | NONCACHE_OFFSET);
49 case 0x1f6: return (void *)(0x0c012006 | NONCACHE_OFFSET);
50 case 0x1f7: return (void *)(0x0c012806 | NONCACHE_OFFSET);
51 case 0x3f6: return (void *)(0x0c01200e | NONCACHE_OFFSET);
52 default: return (void *)&dummy_reg;
58 * M32104T-LAN is located in the extended bus space
59 * from 0x01000000 to 0x01ffffff on physical address.
60 * The base address of LAN controller(LAN91C111) is 0x300.
62 #define LAN_IOSTART (0x300 | NONCACHE_OFFSET)
63 #define LAN_IOEND (0x320 | NONCACHE_OFFSET)
64 static inline void *_port2addr_ne(unsigned long port)
66 return (void *)(port + NONCACHE_OFFSET + 0x01000000);
69 static inline void delay(void)
71 __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
78 #define PORT2ADDR_NE(port) _port2addr_ne(port)
80 static inline unsigned char _ne_inb(void *portp)
82 return *(volatile unsigned char *)portp;
85 static inline unsigned short _ne_inw(void *portp)
87 return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp);
90 static inline void _ne_insb(void *portp, void *addr, unsigned long count)
92 unsigned char *buf = (unsigned char *)addr;
95 *buf++ = _ne_inb(portp);
98 static inline void _ne_outb(unsigned char b, void *portp)
100 *(volatile unsigned char *)portp = b;
103 static inline void _ne_outw(unsigned short w, void *portp)
105 *(volatile unsigned short *)portp = cpu_to_le16(w);
108 unsigned char _inb(unsigned long port)
110 if (port >= LAN_IOSTART && port < LAN_IOEND)
111 return _ne_inb(PORT2ADDR_NE(port));
113 return *(volatile unsigned char *)PORT2ADDR(port);
116 unsigned short _inw(unsigned long port)
118 if (port >= LAN_IOSTART && port < LAN_IOEND)
119 return _ne_inw(PORT2ADDR_NE(port));
121 return *(volatile unsigned short *)PORT2ADDR(port);
124 unsigned long _inl(unsigned long port)
126 return *(volatile unsigned long *)PORT2ADDR(port);
129 unsigned char _inb_p(unsigned long port)
131 unsigned char v = _inb(port);
136 unsigned short _inw_p(unsigned long port)
138 unsigned short v = _inw(port);
143 unsigned long _inl_p(unsigned long port)
145 unsigned long v = _inl(port);
150 void _outb(unsigned char b, unsigned long port)
152 if (port >= LAN_IOSTART && port < LAN_IOEND)
153 _ne_outb(b, PORT2ADDR_NE(port));
155 *(volatile unsigned char *)PORT2ADDR(port) = b;
158 void _outw(unsigned short w, unsigned long port)
160 if (port >= LAN_IOSTART && port < LAN_IOEND)
161 _ne_outw(w, PORT2ADDR_NE(port));
163 *(volatile unsigned short *)PORT2ADDR(port) = w;
166 void _outl(unsigned long l, unsigned long port)
168 *(volatile unsigned long *)PORT2ADDR(port) = l;
171 void _outb_p(unsigned char b, unsigned long port)
177 void _outw_p(unsigned short w, unsigned long port)
183 void _outl_p(unsigned long l, unsigned long port)
189 void _insb(unsigned int port, void *addr, unsigned long count)
191 if (port >= LAN_IOSTART && port < LAN_IOEND)
192 _ne_insb(PORT2ADDR_NE(port), addr, count);
194 unsigned char *buf = addr;
195 unsigned char *portp = PORT2ADDR(port);
197 *buf++ = *(volatile unsigned char *)portp;
201 void _insw(unsigned int port, void *addr, unsigned long count)
203 unsigned short *buf = addr;
204 unsigned short *portp;
206 if (port >= LAN_IOSTART && port < LAN_IOEND) {
208 * This portion is only used by smc91111.c to read data
209 * from the DATA_REG. Do not swap the data.
211 portp = PORT2ADDR_NE(port);
213 *buf++ = *(volatile unsigned short *)portp;
214 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
215 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
216 pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short),
219 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
220 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
221 portp = __port2addr_ata(port);
223 *buf++ = *(volatile unsigned short *)portp;
226 portp = PORT2ADDR(port);
228 *buf++ = *(volatile unsigned short *)portp;
232 void _insl(unsigned int port, void *addr, unsigned long count)
234 unsigned long *buf = addr;
235 unsigned long *portp;
237 portp = PORT2ADDR(port);
239 *buf++ = *(volatile unsigned long *)portp;
242 void _outsb(unsigned int port, const void *addr, unsigned long count)
244 const unsigned char *buf = addr;
245 unsigned char *portp;
247 if (port >= LAN_IOSTART && port < LAN_IOEND) {
248 portp = PORT2ADDR_NE(port);
250 _ne_outb(*buf++, portp);
252 portp = PORT2ADDR(port);
254 *(volatile unsigned char *)portp = *buf++;
258 void _outsw(unsigned int port, const void *addr, unsigned long count)
260 const unsigned short *buf = addr;
261 unsigned short *portp;
263 if (port >= LAN_IOSTART && port < LAN_IOEND) {
265 * This portion is only used by smc91111.c to write data
266 * into the DATA_REG. Do not swap the data.
268 portp = PORT2ADDR_NE(port);
270 *(volatile unsigned short *)portp = *buf++;
271 #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC)
272 } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) {
273 portp = __port2addr_ata(port);
275 *(volatile unsigned short *)portp = *buf++;
277 #if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC)
278 } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) {
279 pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short),
283 portp = PORT2ADDR(port);
285 *(volatile unsigned short *)portp = *buf++;
289 void _outsl(unsigned int port, const void *addr, unsigned long count)
291 const unsigned long *buf = addr;
292 unsigned char *portp;
294 portp = PORT2ADDR(port);
296 *(volatile unsigned long *)portp = *buf++;